Pith Number

pith:OFZVB4QK

pith:2019:OFZVB4QK5OB6T7ZTWFICN4EKBM

not attested not anchored not stored refs pending

Generating Questions for Knowledge Bases via Incorporating Diversified Contexts and Answer-Aware Loss

Cao Liu, Jun Zhao, Kang Liu, Shizhu He, Zaiqing Nie

arxiv:1910.13108 v1 · 2019-10-29 · cs.CL · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OFZVB4QK5OB6T7ZTWFICN4EKBM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T00:15:27.100639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

717350f20aeb83e9ff33b15026f08a0b232b6abb0e475e674e58f6fb3d222039

Aliases

arxiv: 1910.13108 · arxiv_version: 1910.13108v1 · doi: 10.48550/arxiv.1910.13108 · pith_short_12: OFZVB4QK5OB6 · pith_short_16: OFZVB4QK5OB6T7ZT · pith_short_8: OFZVB4QK

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/OFZVB4QK5OB6T7ZTWFICN4EKBM \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 717350f20aeb83e9ff33b15026f08a0b232b6abb0e475e674e58f6fb3d222039

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd154039aa490d0e44c0df8d444f7271ef939545da917943855a7d05b4f64f1e",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-10-29T06:45:24Z",
    "title_canon_sha256": "8b29167463b6c6c884defe43c1d72bb9b61a11dbf120d5be8e80c8ced971c97b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.13108",
    "kind": "arxiv",
    "version": 1
  }
}